Chemistry Unit 2

3. Particle that is positively charged
5. The abbreviated word of atomic mass unit
6. A particle that has 0 charge
8. Crystals that contain water vapor trapped inside their solid structure
10. A standard scientific unit for measuring large quantities of very small particles such as atoms or molecules
11. The process of heating a crystal that contains water to vaporize and remove the water.
12. A particle that consists of a nucleus of protons and neutrons surrounded by electrons
13. An element that has a molar mass of 63.55g
15. What formula that is a whole number multiple of the empirical formula
16. Elements that have an unequal # of protons & neutrons
18. Formula that defies the lowest whole number ratio of parts in a compound
20. Particle that is found outside the nucleus

1. A group of two or more atoms chemically bonded together
2. Elements that have the same number of protons, but a different number of neutrons
4. The neutron is found within the ____ of an atom
5. A Crystal that has water vapor removed from its solid structure
7. Element that has an atomic # of 10
9. Protons, neutrons, and electrons are all _____ particles
14. The compound of H2O is called
17. Electrons are _____ charged
19. A Crystal that still contains H2O within its structure